Network Design
Top Stories
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Feature
31 May 2022
Understand the basics of 5G wireless networks
To build a 5G network, the deployment mode, spectrum band and services are all important factors to understand and consider. Here's what you should know about the basics of 5G. Continue Reading
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Tip
11 Nov 2021
4 ideas for network cable management best practices
When organizing cable clutter, network engineers should follow some common best practices, including the use of cable labels, cable ties and proper documentation. Continue Reading
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News
12 Feb 2019
Netsurion intros low-maintenance SD-branch
Netsurion has introduced a software-defined branch product for retailers, hotels and restaurants. The managed SD-branch, called BranchSDO, includes networking and security. Continue Reading
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Infographic
12 Feb 2019
What is intent-based networking and how does it work?
Intent-based networking might be the future of networking, but it needs to be more than just another networking strategy that offers advanced automation and simplified provisioning. Continue Reading
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Tip
11 Feb 2019
How SD-WAN architectures improve network flexibility and efficiency
The key benefits of SD-WAN architectures include better network redundancy, efficient MPLS connections and added flexibility to deploy new services remotely. Continue Reading
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Answer
11 Feb 2019
How do network virtualization and network abstraction compare?
Network virtualization and network abstraction share similarities, like supporting the creation of virtual resources, but the two approaches vary in complexity and outcome. Continue Reading
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Tip
11 Feb 2019
5 steps to troubleshoot a virtual machine problem in Azure
If you're wrestling with a virtual machine problem, like a faulty connection issue, be sure to check the domain name system and network traffic routing. Continue Reading
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Answer
11 Feb 2019
What are the pros and cons of machine learning in network security?
The predictive nature of machine learning can benefit network security strategies. But it can also benefit those looking to break through secure network barriers. Continue Reading
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News
08 Feb 2019
WAN access focus of Cisco Viptela-DNA Center integration
The first phase of integration between the Cisco Viptela SD-WAN and DNA Center is aimed at providing WAN access from branch offices. Continue Reading
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Answer
07 Feb 2019
What 4 questions can help prepare your network for IoT?
Increasingly, organizations are seeing a marriage of IoT and networking for more efficiency and enhanced services. Here's what you need to know to prepare your networks for IoT. Continue Reading
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Feature
06 Feb 2019
A brief index of network configuration basics
This glossary of terms provides a brief overview of network configuration and some of the crucial components involved -- many of which remain as necessary as ever. Continue Reading
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Tip
06 Feb 2019
Intent-based networking reality check for 2019
The transition to intent-based networking won't happen overnight. But organizations can study up on different IBN approaches now to plan for future intelligent deployments. Continue Reading
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Answer
04 Feb 2019
What network tools are available for hybrid cloud monitoring?
As hybrid cloud adoption ramps up, businesses should consider hybrid cloud monitoring tools that provide network performance insight across the entire environment. Continue Reading
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Tip
04 Feb 2019
Network configuration basics: Focus on users and software tools
When configuring a network, keep a detailed and updated document to track user needs and network changes. And, of course, take advantage of network configuration software. Continue Reading
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Feature
04 Feb 2019
Waiting too long for Wi-Fi upgrade puts security at risk
To the average end user, wireless gear tends to be out of sight and out of mind. But experts warn: Put off an overdue Wi-Fi upgrade and you put your network's security at risk. Continue Reading
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News
01 Feb 2019
Cisco DNA Center takes intent-based networking to IoT
Cisco has introduced IoT-enabled hardware that companies can manage through Cisco DNA Center. The connection between products takes intent-based networking to IoT deployments. Continue Reading
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Tip
01 Feb 2019
Have newer security methods made NAC systems obsolete?
While newer security methods, like microsegmentation and software-defined perimeter, diminish the role of network access control, NAC systems can still help secure the network edge. Continue Reading
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Quiz
01 Feb 2019
Do you know how to troubleshoot wireless connection problems?
Wireless connection issues are common, but discovering where the problems reside can be difficult. This quiz covers 10 commonly overlooked troubleshooting best practices. Continue Reading
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Answer
31 Jan 2019
What are the pros and cons of open source network monitoring tools?
They're usually free and customizable, but can lack customer support. Take a look at the best and worst features of open source network monitoring tools. Continue Reading
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Feature
31 Jan 2019
8 common questions about the new Wi-Fi 6 standard
Industry excitement around the next-generation Wi-Fi standard continues to grow, with good reason -- many experts say Wi-Fi 6 is a game-changer. Here's what you need to know. Continue Reading
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News
30 Jan 2019
Cisco APIC controller heading for AWS, Azure
The latest version of the Cisco APIC controller is designed to bring consistency to managing network fabrics on AWS, Microsoft Azure and private data centers. Continue Reading
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News
30 Jan 2019
Automation potential outweighs SDN deployment risks
SDN deployment varies among service providers and enterprises due to risks, costs and use cases. But, when it comes to SD-WAN, both groups appear to agree about the potential. Continue Reading
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Tip
29 Jan 2019
6 steps to troubleshoot Wi-Fi network issues
In a business setting, as you troubleshoot Wi-Fi network issues, these six steps provide a foundation to get you started and keep you grounded when wireless problems hit. Continue Reading
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Feature
29 Jan 2019
Fiber expansion paves way for V2X technology in Colorado
Colorado wants to enable highway automation by building smart, connected infrastructure it says can save lives. But to get roadside devices online throughout the state, it's going to need a bigger fiber optic network. Continue Reading
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Feature
28 Jan 2019
Mist's smart WLAN gets rave reviews from Ohio schools
A school district's dissatisfaction with its legacy Wi-Fi system led to a rip and replace of its entire network. This case study explores the deployment of Mist's smart WLAN. Continue Reading
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News
25 Jan 2019
Arrcus chasing larger rivals with 400 GbE NOS
Arrcus has introduced a 400 GbE network operating system, demonstrating a maker of a stand-alone NOS can keep pace with the largest networking companies. Continue Reading
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News
25 Jan 2019
Unity EdgeConnect SD-WAN certified for AWS, Google, Microsoft
Silver Peak's Unity EdgeConnect SD-WAN is certified for AWS, Google Cloud and Microsoft Azure. Companies can deploy the product from the cloud providers' marketplaces. Continue Reading
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Tip
24 Jan 2019
Enterprises iffy on telecom services beyond network connectivity
Enterprises look to telecom carriers for network connectivity services, but providers need to win them over to sell cloud and productivity options, according to network pros. Continue Reading
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News
23 Jan 2019
Cisco launches AppDynamics integration with ACI
Cisco has provided AppDynamics integration with ACI, the company's software-defined networking architecture. Cisco expects the integration to help DevOps teams. Continue Reading
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Answer
22 Jan 2019
What's the difference between network availability and reliability?
Network availability provides a glimpse into infrastructure accessibility, while network reliability highlights how well the infrastructure runs to support functional processes. Continue Reading
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Tip
22 Jan 2019
SD-branch begins to prove itself with growing deployments
Enterprises are beginning to deploy SD-branch and are seeing positive results, pointing to the possibility that the software-defined branch will become the norm for branch networking. Continue Reading
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Feature
21 Jan 2019
How Dartmouth College improved its campus-wide Wi-Fi
Dartmouth College brought 21st-century wireless infrastructure from Mist Systems to its 18th-century architecture in a highly anticipated update to its campus Wi-Fi. Continue Reading
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Feature
21 Jan 2019
NetInsight enables proactive network performance monitoring
With NetInsight, network performance monitoring and analytics get smart. The cloud-based subscription service tells customers how their Wi-Fi stacks up and exactly how to improve. Continue Reading
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News
18 Jan 2019
AI center stage in new Huawei CloudEngine switch
Huawei is betting on its Ascend AI chip to draw the largest enterprises to its latest high-capacity spine switch. The Huawei CloudEngine 16800 embeds AI into the network fabric. Continue Reading
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Infographic
18 Jan 2019
Network management and monitoring top of mind for IT teams
Network management and monitoring will take center stage in 2019, as IT professionals feel the pressure to monitor network devices, traffic and performance. Continue Reading
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News
17 Jan 2019
Look back at top IT infrastructure spending trends of 2018
Enterprise IT infrastructure spending trends in 2018 focused on data center servers and hosted and cloud collaboration, driving an increase in annual vendor revenue. Continue Reading
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Answer
17 Jan 2019
Intent-based networking vs. SDN: How do they differ?
When it comes to the primary differentiators between intent-based networking and SDN, abstraction and administrator commands are at the top of the list. Continue Reading
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News
16 Jan 2019
Shopper privacy critical when using new Cisco DNA Spaces
Software like the new Cisco DNA Spaces can help retailers improve their merchandising and supply chains. But the first priority should be protecting shopper privacy, an expert says. Continue Reading
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Opinion
14 Jan 2019
5G, cloud embolden network outsourcing and ultimate virtualization
Could the cloud, 5G, small cell technology, BYOD and carrier-provisioned networks completely virtualize network infrastructure? Well, maybe not today. Continue Reading
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Tip
14 Jan 2019
Predictive networks: How realistic are they?
While the associated term might sound magical, predictive networks make use of real historical data to predict network events. Be ready for a bit of complexity, though. Continue Reading
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News
11 Jan 2019
Cisco ACI controller headed for AWS
An AWS version of the Cisco ACI controller set to launch this quarter brings consistency in fabric management between private data centers and Amazon's public cloud. Continue Reading
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Answer
10 Jan 2019
What is a software-defined perimeter, and do I need it?
An evolving network world requires evolving network security. Learn how software-defined perimeter offers a compelling answer to network vulnerabilities. Continue Reading
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Feature
10 Jan 2019
Consider these 5 factors of DCI technology
This feature showcases five pieces of advice that detail what you need to know about data center interconnect, its pros and cons, and its relationship with other networking areas. Continue Reading
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Tip
08 Jan 2019
What's the difference between multi-cloud vs. hybrid cloud strategies?
When comparing multi-cloud vs. hybrid cloud deployments, you'll want to pay particular attention to the management concepts and tools for each cloud strategy. Continue Reading
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Answer
08 Jan 2019
Which core network functions are being virtualized?
Network functions virtualization can virtualize both data center and branch office network services. But a couple of special cases, like virtual switches, require clarification. Continue Reading
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Feature
07 Jan 2019
Get into the nitty-gritty of SD-WAN technology
Discover SD-WAN outside of the fundamentals. Learn how it plays with management tools, get steps on how to transition from MPLS and read best practices for SD-WAN issues. Continue Reading
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Tip
07 Jan 2019
SD-WAN features lacking, but offer differentiation opportunity
Most available SD-WAN products focus on a few main features, which risks making SD-WAN a commodity offering. But vendors are starting to combat that with feature differentiation. Continue Reading
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News
04 Jan 2019
Mobile 5G hype vs. reality in 2019
Hype will likely drown out the progress the mobile 5G industry is expected to make this year in preparing for augmented reality applications and other unique services in 2020. Continue Reading
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Tip
04 Jan 2019
Data center interconnects rife with application challenges
Avoid pushing complexity into your network. This is especially true with data center interconnect design, Layer 2 mobility and application requirements. Continue Reading
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Tip
03 Jan 2019
Network security, SD-WAN suppliers revamp branch security
Branch network security is getting a face-lift, as network security and SD-WAN suppliers look at new ways to integrate their platforms and upgrade products. Continue Reading
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Tip
02 Jan 2019
Telecom trends 2019: Time for operator 5G and IoT decisions
Telecom trends in 2019 dictate that network operators have tough choices to make to compete with OTT players, increase revenue in terms of 5G and IoT, and consider the software-based fast-fail model. Continue Reading
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Answer
02 Jan 2019
What roles do vCPE and uCPE have at the network edge?
As service providers look to virtualize the edge and deliver network services faster, they're turning to vCPE and uCPE that run services as software on generic hardware. Continue Reading
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Answer
31 Dec 2018
What are the top benefits of CDN services for enterprises?
You might be asking yourself, 'Do I need a CDN?' According to one network analyst, the answer is most likely yes, as CDNs provide faster access to internet content. Continue Reading
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Answer
31 Dec 2018
Which KPIs should I measure for security in SDN?
KPIs provide useful guidelines to measure how network performance and security align with business objectives. Here are some KPIs to help keep track of an SDN environment. Continue Reading
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Infographic
28 Dec 2018
Final 802.11ax release date now slated for late 2019
When it comes to the hotly anticipated new wireless standard, are we there yet? This 802.11ax timeline notes key milestones in the draft's development and explains what's next. Continue Reading
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Opinion
27 Dec 2018
6 emerging trends in wireless networking technology for 2019
In 2019, expect to see some interesting trends in wireless networking technology, including a surge in millimeter waves, the budding potential for end-to-end network analytics and, of course, the ongoing development of 5G services. Continue Reading
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Tip
27 Dec 2018
What to consider when integrating SD-WAN and ITSM tools
We haven't really heard a lot about SD-WAN integration with IT service management. But getting SD-WAN to work with existing ITSM tools is a big priority for enterprises. Continue Reading
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Answer
26 Dec 2018
How might NFV in IoT enhance network edge security?
The emergence of IoT devices has considerable network security implications. An NFV architecture, however, could add another layer of network defense. Continue Reading
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News
21 Dec 2018
100 GbE switch market shifting to large enterprises
The 100 GbE switch market is shifting away from webscale data center operators, as Arista and Cisco benefit from large enterprises buying more of the faster ports to replace 40 GbE. Continue Reading
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News
21 Dec 2018
AT&T 5G moves forward, as carrier pursues cost savings
The AT&T 5G network will be in seven more cities in the first half of 2019. The carrier is moving quickly with the rollout to take advantage of potential cost savings with 5G. Continue Reading
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News
19 Dec 2018
Cisco sees the future of switching in Luxtera silicon photonics
Cisco believes the future in switching and routing is in Luxtera silicon photonics. As a result, the networking giant plans to buy the company for $660 million in cash. Continue Reading
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Answer
19 Dec 2018
What is a service mesh, and how does it relate to networking?
A service mesh can ease the deployment of microservices and container-based applications, while supporting the delivery of network services, like load balancing and authentication. Continue Reading
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News
17 Dec 2018
A recap of notable 2018 networking trends and news
Before the final days of 2018 fade into history like so last-generation 4G, spend some time reviewing the news and trends that graced the networking industry this year. Continue Reading
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Feature
17 Dec 2018
A deep dive into SD-WAN troubleshooting and monitoring
Whether in the throes of SD-WAN issues or preparing for the future, it's important for organizations to have practical steps to follow when taking on SD-WAN troubleshooting. Continue Reading
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Opinion
17 Dec 2018
The top 9 trends in network technology for 2019
In the new year, expect SDN and SD-WAN to come back down to earth. Meanwhile, multi-cloud, edge computing and intent-based networking will ramp up. Plus, data centers are not dead. Continue Reading
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Feature
17 Dec 2018
Seneca College brings its campus Wi-Fi back to school
Wi-Fi has gone back to school. Seneca College deployed a new Wi-Fi system from Aruba Networks to support its tens of thousands of students, faculty and plentiful devices. Continue Reading
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Infographic
14 Dec 2018
10 metrics to drive a NetOps 2.0 culture shift
If an object at rest tends to stay at rest, how can IT leaders get the network moving at the speed of DevOps? Start with performance review metrics that reflect NetOps goals, experts suggest. Continue Reading
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News
13 Dec 2018
Cumulus Linux, NetQ available for Lenovo RackSwitch
The combination of Lenovo RackSwitch models with Cumulus Linux and NetQ monitoring software is aimed at companies that prefer open networking in the data center. Continue Reading
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Feature
13 Dec 2018
Providers widen telecom cloud services for the enterprise
Some traditional service providers are reinventing telecom cloud services enabled by new networking partnerships and technologies to offer enterprise customers a number of benefits. Continue Reading
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Answer
13 Dec 2018
What are the top 3 benefits of NFV technology?
The use of standard hardware, consolidation of network functions and machines, and flexible system upgrades are some of the key benefits of NFV technology. Continue Reading
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News
12 Dec 2018
Arista EOS containers integrated with Red Hat, Tigera products
Arista EOS containers have been integrated with Red Hat OpenShift and Tigera security software. Continue Reading
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News
12 Dec 2018
'Best-of-breed' SD-WAN option supersedes big boxes, expert says
When it comes to SD-WAN technology, deployment options vary, largely dependent on business requirements. But a multiple-vendors strategy might be better than all-in-one SD-WAN. Continue Reading
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News
11 Dec 2018
VMware service mesh aims to help DevOps with microservices
VMware has introduced the NSX Service Mesh. Based on the Istio platform, the VMware service mesh manages traffic between microservices and enforces access policies. Continue Reading
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Tip
11 Dec 2018
The future of SD-WAN moves away from stand-alone product
'Tis the season for a look at the future of SD-WAN. In 2019, one networking expert expects more managed SD-WAN, further market consolidation and a shift away from individual SD-WAN devices. Continue Reading
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Answer
11 Dec 2018
How can organizations improve their network change management?
Organizations can optimize their network change management processes with dedicated change management services for improved planning, monitoring and communication capabilities. Continue Reading
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Tip
10 Dec 2018
Gauge your platform purchasing options before SD-WAN deployment
Finalizing how an organization deploys SD-WAN can be a complex process, especially with the range of available purchasing options. But studying the options is always a good start. Continue Reading
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News
07 Dec 2018
Packet broker added to Big Switch cloud fabric on AWS
Big Switch cloud fabric for AWS has a network packet broker. The company launched Big Mon for the cloud this week. Upcoming tech includes Big Cloud Fabric and Multi-Cloud Director. Continue Reading
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News
07 Dec 2018
SolarWinds adds SDN monitoring to network management tools
In networking news, SolarWinds updates its network management software; a report predicts SDN's future; and Barefoot Networks updates its P4-programmable switch. Continue Reading
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News
05 Dec 2018
Juniper ATP appliance gets broader device support
Juniper has bolstered the security features in its Advanced Threat Prevention product. The vendor also released a Juniper ATP appliance for midsize enterprises. Continue Reading
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News
04 Dec 2018
ONAP Casablanca release targets cross-carrier deployment, 5G
ONAP's latest release, Casablanca, focuses on enhancing existing features within its architecture to better support cross-carrier site connectivity, deployment and 5G. Continue Reading
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Answer
04 Dec 2018
What are the differences between network security vs. cybersecurity?
IT groups need to consider varying layers of security. For instance, the similarities and differences between cybersecurity and network security are closely entwined. Continue Reading
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Feature
04 Dec 2018
How to choose the right CDN service for your organization
Organizations that distribute web content to users worldwide are turning to CDN services to provide fast, secure delivery of their content. Continue Reading
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Feature
03 Dec 2018
Getting started with 5G network planning
This feature explores the basics of 5G technology, concerns from industry insiders, where it currently stands and predictions for its future. Continue Reading
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Tip
03 Dec 2018
3 tips for managing multi-cloud network architectures
By correlating network events, understanding network paths and crafting detailed exception reports, network managers can get a handle on their multi-cloud environments. Continue Reading
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News
30 Nov 2018
What's in AWS Outposts with VMware?
AWS Outposts, the new on-premises hybrid cloud, includes a VMware Cloud version that is not expected to provide NSX as a native option for connecting to the AWS public cloud. Continue Reading
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Feature
30 Nov 2018
Colorado believes autonomous vehicles technology can save lives
Edge computing, take the wheel. The Colorado Department of Transportation is deploying roadside network devices to support connected and autonomous vehicles technology. Continue Reading
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Feature
30 Nov 2018
Reality check: How has data center SDN evolved?
Considering the twists and turns in SDN technology and adoption, it's easy to wonder about future development. Learn what three industry analysts think about the evolution of SDN and its drawbacks. Continue Reading
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Feature
30 Nov 2018
What you need to know about network analytics software
Reality check: Are network analytics tools overhyped? This guide explores the key features of these tools, how they can help and their effect on networking's future. Continue Reading
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News
29 Nov 2018
Aviatrix unveils AVX Orchestrator for AWS
Aviatrix has introduced software for dividing virtual private clouds into secured groups on AWS. AVX Orchestrator complements AWS' Transit Gateway, launched this week at re:Invent. Continue Reading
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Answer
28 Nov 2018
What are the pros and cons of deploying containers?
Containers can reduce a company's OS licensing costs and required CPU usage, while acting as a bridge to serverless computing. But IT teams need to evaluate the potential drawbacks. Continue Reading
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News
28 Nov 2018
Apstra AOS IDs root cause of network problems
Startup Apstra has launched version 2.3 of its intent-based networking OS. The new Apstra AOS includes analytics for finding the root cause of network problems. Continue Reading
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Answer
26 Nov 2018
Where does SDN fit in edge computing architecture?
SDN and edge computing can work together to apply data processing decisions that make better use of network links and bandwidth, especially when it comes to edge versus cloud. Continue Reading
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News
21 Nov 2018
Oracle faces Talari SD-WAN strengths and weaknesses
With the Talari acquisition, Oracle's communications unit gets SD-WAN technology that improves VoIP reliability. But the Talari SD-WAN also lacks important enterprise features. Continue Reading
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News
21 Nov 2018
Cato SD-WAN service targets last-mile management
In networking news, Cato Networks unveils an SD-WAN tool to detect network outages; SolarWinds spotlights DevOps features; and Kaloom gets $10 million. Continue Reading
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Answer
20 Nov 2018
What are the pros and cons of blockchain in networking?
While blockchain could be a valuable network management tool, enterprises don't exactly have a driving need for the ledger technology in the networking arena. Continue Reading
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News
16 Nov 2018
Cisco earnings, revenue up as sales rise across product lines
Cisco earnings and revenues grew in the quarter ended Oct. 27 as sales increased across product lines, geographies and customer segments. Continue Reading
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News
16 Nov 2018
Aruba 802.11ax APs, switches address niche market
Aruba has launched access points and switches aimed at early adopters of the next-generation Wi-Fi standard. The Aruba 802.11ax gear is aimed at colleges, retailers and hotels. Continue Reading
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Answer
16 Nov 2018
What are today's top 3 network security challenges?
A significant shortage of cybersecurity staff, poorly configured firewalls and unmanaged end-user mobile devices are some of the top network security threats. Continue Reading
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Feature
16 Nov 2018
A quick guide to important SDN security issues
Lock down your knowledge of SDN security issues using this compilation that includes expert advice, common pain points and helpful best practices. Continue Reading
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News
16 Nov 2018
LiveAction updates LiveNX network management service
In networking news, LiveAction launches LiveNX 8 and LiveWire; Kaloom and Red Hat collaborate for a virtualized central office; and Siemens and Aruba bridge the IT-OT gap. Continue Reading
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News
15 Nov 2018
SonicWall bakes SD-WAN software into Capture Cloud Platform
Security vendor SonicWall added SD-WAN software to its firewall appliances while retail companies are hoping SD-WAN can reduce network complexity, according to a Forrester report. Continue Reading
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News
14 Nov 2018
Viptela SD-WAN security unveiled at Cisco Partner Summit
At Cisco Partner Summit this week, Cisco announced better security for the Viptela SD-WAN, two ISRs, a Catalyst wireless LAN controller and a Catalyst midmarket switch. Continue Reading